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\begin{tabular}{lcccccccccc} \hline
 & (1) & (2) & (3) & (4) & (5) & (6) & (7) & (8) & (9) & (10) \\
VARIABLES & ratio & ratio & ratio & ratio & ratio & ratio & ratio & ratio & ratio & ratio \\ \hline
 &  &  &  &  &  &  &  &  &  &  \\
Ln Population CMA & 0.287$^a$ & 0.276$^a$ & 0.222$^a$ & 0.275$^a$ & 0.220$^a$ & 0.291$^a$ & 0.232$^a$ & 0.279$^a$ & 0.233$^b$ &  \\
 & (0.078) & (0.061) & (0.065) & (0.075) & (0.045) & (0.082) & (0.087) & (0.073) & (0.115) &  \\
Ln CMA surface area & -0.242$^c$ & -0.265$^a$ & -0.175$^c$ & -0.229$^c$ & -0.154$^b$ & -0.239$^c$ & -0.182 & -0.231$^c$ & -0.241 &  \\
 & (0.124) & (0.097) & (0.103) & (0.123) & (0.074) & (0.131) & (0.131) & (0.118) & (0.190) &  \\
Distance to the closest city centre & -0.033$^a$ & -0.028$^a$ & -0.029$^a$ & -0.031$^a$ & -0.022$^a$ & -0.036$^a$ & -0.031$^a$ & -0.033$^a$ & -0.007$^c$ & -0.032$^a$ \\
 & (0.010) & (0.007) & (0.008) & (0.010) & (0.005) & (0.011) & (0.010) & (0.009) & (0.004) & (0.012) \\
cat0==2 & 0.331$^a$ & 0.321$^a$ & 0.291$^a$ & 0.302$^a$ & 0.031 & 0.359$^a$ & 0.260$^a$ & 0.350$^a$ & 0.044 & 0.337$^a$ \\
 & (0.068) & (0.066) & (0.061) & (0.065) & (0.042) & (0.065) & (0.063) & (0.069) & (0.055) & (0.061) \\
cat0==3 & -0.293$^a$ & -0.336$^a$ & -0.176$^a$ & -0.288$^a$ & -0.381$^a$ & -0.256$^a$ & -0.407$^a$ & -0.299$^a$ & -0.350$^a$ & -0.267$^a$ \\
 & (0.089) & (0.077) & (0.059) & (0.086) & (0.069) & (0.092) & (0.091) & (0.089) & (0.077) & (0.085) \\
\\# neighbors & -0.139$^a$ & -0.114$^a$ & -0.127$^a$ & -0.136$^a$ & -0.024 & -0.137$^a$ &  &  & -0.012 & -0.136$^a$ \\
 & (0.022) & (0.026) & (0.026) & (0.029) & (0.028) & (0.022) &  &  & (0.065) & (0.023) \\
\\# neighbors$^{2}$ & 0.014$^a$ & 0.011$^a$ & 0.012$^a$ & 0.014$^a$ & -0.005 & 0.014$^a$ &  &  & -0.016 & 0.013$^a$ \\
 & (0.002) & (0.003) & (0.002) & (0.002) & (0.005) & (0.002) &  &  & (0.019) & (0.002) \\
\\# neighbors$^{3}$ & -0.000$^a$ & -0.000$^c$ & -0.000$^b$ & -0.000$^a$ & 0.000 & -0.000$^a$ &  &  & 0.001 & -0.000$^a$ \\
 & (0.000) & (0.000) & (0.000) & (0.000) & (0.000) & (0.000) &  &  & (0.002) & (0.000) \\
\\# neighbors$^{4}$ & 0.000$^c$ & 0.000 & 0.000 & 0.000$^c$ & -0.000 & 0.000$^b$ &  &  & -0.000 & 0.000$^c$ \\
 & (0.000) & (0.000) & (0.000) & (0.000) & (0.000) & (0.000) &  &  & (0.000) & (0.000) \\
Ln Employment & -0.024$^a$ & -0.019$^c$ & -0.004 & -0.028$^a$ & 0.016$^c$ & 0.009 & -0.023$^b$ & -0.012 & 0.011 & -0.026$^a$ \\
 & (0.007) & (0.011) & (0.011) & (0.006) & (0.010) & (0.017) & (0.011) & (0.008) & (0.015) & (0.007) \\
hoffice==2 & -0.019 & 0.010 & -0.041 & -0.017 & -0.036 & -0.021 & -0.038 & -0.037 & -0.058$^c$ & -0.027 \\
 & (0.034) & (0.031) & (0.027) & (0.036) & (0.024) & (0.052) & (0.041) & (0.032) & (0.033) & (0.035) \\
exports==2 & -0.018 & -0.012 & -0.006 & -0.002 & 0.024 & -0.054$^b$ & -0.018 & -0.012 & 0.023 & -0.017 \\
 & (0.020) & (0.022) & (0.014) & (0.023) & (0.024) & (0.025) & (0.033) & (0.021) & (0.027) & (0.020) \\
\\# functions in the estab. & -0.039 & -0.023 & -0.024 & -0.030 & -0.049$^b$ & -0.056 & -0.056 & -0.044 & -0.062$^b$ & -0.038 \\
 & (0.035) & (0.027) & (0.033) & (0.028) & (0.018) & (0.049) & (0.044) & (0.036) & (0.030) & (0.035) \\
\\# 4-digit NAICS & 0.004 & 0.010 & -0.001 & -0.001 & 0.004 & 0.017 & -0.005 & 0.006 & -0.012 & 0.006 \\
 & (0.015) & (0.016) & (0.014) & (0.015) & (0.012) & (0.015) & (0.017) & (0.015) & (0.017) & (0.016) \\
\\# products & 0.007$^c$ & 0.006 & 0.004 & 0.006 & 0.009$^a$ & 0.008$^c$ & 0.012$^c$ & 0.009$^b$ & 0.015$^a$ & 0.006$^c$ \\
 & (0.003) & (0.004) & (0.003) & (0.004) & (0.003) & (0.005) & (0.006) & (0.004) & (0.004) & (0.004) \\
Ln Distance to major airport & 0.151$^c$ & 0.137$^c$ & 0.132$^c$ & 0.145$^c$ & 0.035 & 0.160$^b$ & 0.124 & 0.130 & 0.057 & 0.138$^b$ \\
 & (0.078) & (0.079) & (0.070) & (0.078) & (0.040) & (0.077) & (0.115) & (0.079) & (0.052) & (0.058) \\
Ln Distance to major seaport & -0.188$^a$ & -0.188$^a$ & -0.167$^a$ & -0.185$^b$ & -0.033 & -0.181$^b$ & -0.237$^b$ & -0.169$^a$ & -0.136$^b$ & -0.273$^a$ \\
 & (0.071) & (0.065) & (0.063) & (0.072) & (0.030) & (0.071) & (0.095) & (0.063) & (0.052) & (0.064) \\
Ln Distance to freight station & -0.089 & -0.089$^c$ & -0.062 & -0.089 & -0.021 & -0.090 & -0.043 & -0.072 & -0.047 & -0.106 \\
 & (0.067) & (0.048) & (0.049) & (0.064) & (0.016) & (0.072) & (0.056) & (0.064) & (0.029) & (0.089) \\
Ln Distance to junction & -0.036 & -0.036 & -0.014 & -0.036 & -0.052$^b$ & -0.028 & -0.046 & -0.031 & -0.096$^a$ & -0.038 \\
 & (0.047) & (0.045) & (0.037) & (0.044) & (0.022) & (0.048) & (0.040) & (0.042) & (0.024) & (0.046) \\
\\# neighbors = o, &  &  &  &  &  &  & - &  &  &  \\
 &  &  &  &  &  &  &  &  &  &  \\
\\# neighbors$^{2}$ = o, &  &  &  &  &  &  & - &  &  &  \\
 &  &  &  &  &  &  &  &  &  &  \\
\\# neighbors$^{3}$ = o, &  &  &  &  &  &  & - &  &  &  \\
 &  &  &  &  &  &  &  &  &  &  \\
\\# neighbors$^{4}$ = o, &  &  &  &  &  &  & - &  &  &  \\
 &  &  &  &  &  &  &  &  &  &  \\
spacematem &  &  &  &  &  &  &  & -0.025 &  &  \\
 &  &  &  &  &  &  &  & (0.035) &  &  \\
spacematem2 &  &  &  &  &  &  &  & 0.002 &  &  \\
 &  &  &  &  &  &  &  & (0.003) &  &  \\
spacematem3 &  &  &  &  &  &  &  & -0.000 &  &  \\
 &  &  &  &  &  &  &  & (0.000) &  &  \\
spacematem4 &  &  &  &  &  &  &  & -0.000 &  &  \\
 &  &  &  &  &  &  &  & (0.000) &  &  \\
 &  &  &  &  &  &  &  &  &  &  \\
Observations & 8,510 & 11,797 & 8,334 & 8,045 & 7,423 & 6,827 & 5,204 & 8,510 & 4,913 & 8,506 \\
R-squared & 0.283 & 0.256 & 0.273 & 0.278 & 0.225 & 0.296 & 0.303 & 0.283 & 0.216 & 0.296 \\
 r2\_p & . & . & . & . & . & . & . & . & . & . \\ \hline
\multicolumn{11}{c}{ Robust standard errors in parentheses} \\
\multicolumn{11}{c}{ $^a$ p$<$0.01, $^b$ p$<$0.05, $^c$ p$<$0.1} \\
\end{tabular}
\end{document}
